.modal {
    display: none; /* 默认隐藏 */
    /*生成绝对定位的元素，相对于浏览器窗口进行定位。*/
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    /*设置弹窗位置*/
    padding-top: 200px;
    padding-bottom: 500px;
    /*浮在全屏上*/
    width: 100%;
    height:  100%;
    /*overflow：auto；如果内容被修剪，则浏览器会显示滚动条，以便查看其余内容。*/
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
    text-align: center;
}

/* 弹窗内容 */
.modal-content {
    /*position: relative;*/
    position: relative;
    /*弹窗背景色设置*/
    background-color: #fefefe;
    padding: 200px auto;
    margin: auto;
    width: 480px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
    -webkit-animation-name: animatetop;
    -webkit-animation-duration: 0.4s;
    animation-name: animatetop;
    animation-duration: 0.4s
}


/* 添加动画 */
@-webkit-keyframes animatetop {
    from {top:-200px; opacity:0}
    to {top:0; opacity:1}
}

@keyframes animatetop {
    from {top:-200px; opacity:0}
    to {top:0; opacity:1}
}

/* 关闭按钮 */
.close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover, .close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

.modal-header {
    display: block;
    line-height: 30px;
    padding: 2px 10px;
    color: white;
    text-align: left;
}

.modal-body {
    margin-top: 20px;
    padding: 2px 16px;
    font-size: 18px;
    height: 250px;
}

.modal-footer {
    display: block;
    line-height: 30px;
    padding: 32px 10px;
    color: white;
}
#ljyy{
    width: 350px;
    height: 50px;
    background-color: #ff5125;
    color: white;
    font-size: 20px;
}
#header_yy{
    height: 70px;
    width: 450px;
    font-size: 27px;
    color: black;
    text-align: center;
    line-height: 70px;
    margin-top: 25px;
}
/*input:focus{ outline:none }*/
.input{
    background:none;
    outline:none;
    border:none;
    margin-top: 20px;
    border-bottom: 1px solid black;
    height: 40px;
    width: 300px;
}
#TYK{
    height: 25px;
    width: 300px;
    margin-left: 70px;
    margin-top: 20px;
}
#checkbox{
    height: 25px;
    width: 25px;
    float: left;
}
#TY{
    height: 20px;
    width: 180px;
    font-size: 15px;
    line-height: 20px;
    float: left;
    margin-top: 2px;
}
